Function GiftCodeBox

Telegram/SourceFiles/boxes/gift_premium_box.cpp:830–957

}

void GiftCodeBox(
		not_null<Ui::GenericBox*> box,
		not_null<Window::SessionNavigation*> controller,
		const QString &slug) {
	struct State {
		rpl::variable<Api::GiftCode> data;
		rpl::variable<bool> used;
		bool sent = false;
	};
	const auto session = &controller->session();
	const auto state = box->lifetime().make_state<State>(State{});
	state->data = session->api().premium().giftCodeValue(slug);
	state->used = state->data.value(
	) | rpl::map([=](const Api::GiftCode &data) {
		return data.used != 0;
	});

	box->setWidth(st::boxWideWidth);
	box->setStyle(st::giveawayGiftCodeBox);
	box->setNoContentMargin(true);

	const auto bar = box->setPinnedToTopContent(
		object_ptr<Ui::Premium::TopBar>(
			box,
			st::giveawayGiftCodeCover,
			Ui::Premium::TopBarDescriptor{
				.clickContextOther = nullptr,
				.title = rpl::conditional(
					state->used.value(),
					tr::lng_gift_link_used_title(),
					tr::lng_gift_link_title()),
				.about = rpl::conditional(
					state->used.value(),
					tr::lng_gift_link_used_about(tr::rich),
					tr::lng_gift_link_about(tr::rich)),
				.light = true,
			}));

	const auto max = st::giveawayGiftCodeTopHeight;
	bar->setMaximumHeight(max);
	bar->setMinimumHeight(st::infoLayerTopBarHeight);

	bar->resize(bar->width(), bar->maximumHeight());

	const auto link = MakeGiftCodeLink(&controller->session(), slug);
	box->addRow(
		Ui::MakeLinkLabel(
			box,
			rpl::single(link.text),
			rpl::single(link.link),
			box->uiShow(),
			MakeLinkCopyIcon(box)),
		st::giveawayGiftCodeLinkMargin);

	const auto show = controller->uiShow();
	AddTable(box->verticalLayout(), show, {}, state->data.current(), false);

	auto shareLink = tr::lng_gift_link_also_send_link(